diff --git a/src/options.c b/src/options.c
index 881e9400..189e9024 100644
--- a/src/options.c
+++ b/src/options.c
@@ -62,8 +62,8 @@ s_warnings[] = {
     {W_ARRAY_INDIRECTION,"array-indirection"},
     {W_OUT_OF_BOUNDS, "out-of-bounds"},
     {W_ASSIGNMENT_OF_ARRAY_PARAMETER, "array-parameter-assignment"},
-    {W_CONDITIONAL_IS_CONSTANT,"conditional-constant"}
-
+    {W_CONDITIONAL_IS_CONSTANT,"conditional-constant"},
+    {W_OWNERSHIP_NULL_OBJECT, "too-deep"}
 };
 
 static_assert((sizeof(s_warnings) / sizeof(s_warnings[0])) < 64);
diff --git a/src/options.h b/src/options.h
index b5d3eee8..fdcc1934 100644
--- a/src/options.h
+++ b/src/options.h
@@ -41,6 +41,7 @@ enum diagnostic_id {
 
     /*ownership type system errors*/
     W_OWNERSHIP_MISSING_OWNER_QUALIFIER,
+    W_OWNERSHIP_NULL_OBJECT,
     W_OWNERSHIP_NOT_OWNER,
     W_OWNERSHIP_USING_TEMPORARY_OWNER,
     W_OWNERSHIP_MOVE_ASSIGNMENT_OF_NON_OWNER,